90° bent hollow waveguides formed by distributed Bragg reflector

Hua-Kung Chiu; Chii-Chang Chen

doi:10.1364/NFOEC.2009.JThA21

Optical Fiber Communication Conference and National Fiber Optic Engineers Conference
OSA Technical Digest (CD) (Optica Publishing Group, 2009),
paper JThA21
•https://doi.org/10.1364/NFOEC.2009.JThA21

90° bent hollow waveguides formed by distributed Bragg reflector

Hua-Kung Chiu and Chii-Chang Chen

National Fiber Optic Engineers Conference 2009

San Diego, California United States
22–26 March 2009
ISBN: 978-1-55752-865-0

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Poster Session II (JThA)

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H. Chiu and C. Chen, "90° bent hollow waveguides formed by distributed Bragg reflector," in Optical Fiber Communication Conference and National Fiber Optic Engineers Conference, OSA Technical Digest (CD) (Optica Publishing Group, 2009), paper JThA21.

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Abstract

90° bent hollow waveguides with distributed Bragg reflectors (DBR) in silicon substrate are proposed. The air core was embedded by Si₃N₄/SiO₂ multilayer. The two-dimensional (2-D) finite-difference time-domain (FDTD) method is used to simulate bending transmission efficiencies of the 90°-bent waveguides. The lowest 90° bending loss is around 0.8dB. This waveguide can be used in integrated planar light wave circuits.

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